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Re: exporting widget variables to an IDL command line [message #46765]

Mon, 19 December 2005 23:14

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

Lon Riesberg wrote:
> Does anyone know of a good way to get variable data out of a widget to
> an IDL command line?

Have a look at the SCOPE_* functions. To export a variable from a widget
program to the command line, you can do

(scope_varfetch(varname, /enter, level=1)) = internal_variable

where "varname" is the name the variable should have on the command
line. If you want to be sophisticated, you can check if that variable
already exists (to avoid overwriting) with something like

IF size(scope_varfetch(varname, level=1, /enter), /type) EQ 0 THEN ...

Good luck,
Benjamin

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